Originally Posted by speedracerntrixie

Agreed, I too recommend going with all epoxy products. In fact I am at the same stage of a project as you. I have a wood plug all glassed and sanded smooth and ready for primer. I agree that one of the polyester based filling primers would make the next step much easier but I have chosen to go with Klass Kote epoxy primer. If you do use the polyester based primer you will need to do a final coat of a catalyzed gloss coat such as a Klass Kote or a single stage auto paint. Even then you may have enough of the polyester solvents to work their way through the top coat and affect your release product.